Date, C. J. (1981). An Introduction to database systems. Addison-Wesley Publishing Co., Inc.
Chicago Style (17th ed.) CitationDate, C. J. An Introduction to Database Systems. Addison-Wesley Publishing Co., Inc, 1981.
MLA (8th ed.) CitationDate, C. J. An Introduction to Database Systems. Addison-Wesley Publishing Co., Inc, 1981.
Warning: These citations may not always be 100% accurate.